Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual era o(s) número(s) da camisa quando a posição era SG da Carolina do Norte?
 ###Tabelas: CREATE TABLE master_world_records (master_world_records_id AUTO_INCREMENT PRIMARY KEY, Pool VARCHAR, Age Group VARCHAR, Time VARCHAR, Event VARCHAR, Date VARCHAR) CREATE TABLE 20th-_and_21st-century_swiss_confederation_issues (20th-_and_21st-century_swiss_confederation_issues_id AUTO_INCREMENT PRIMARY KEY, Location VARCHAR, Date INT, Denomination VARCHAR, Coinage metal VARCHAR, Mintage INT, KM number VARCHAR) CREATE TABLE composition_of_the_7th_seanad (composition_of_the_7th_seanad_id AUTO_INCREMENT PRIMARY KEY, Administrative Panel INT, Agricultural Panel INT, Cultural and Educational Panel INT, Industrial and Commercial Panel INT, Labour Panel INT, National University of Ireland INT, University of Dublin INT, Nominated by the Taoiseach INT, Total INT) CREATE TABLE railway_stations_currently_in_use (railway_stations_currently_in_use_id AUTO_INCREMENT PRIMARY KEY, Station (and code) VARCHAR, Managed by VARCHAR, Lines served VARCHAR, Station users 2007/8 INT, Station users 2008/9 VARCHAR, Year opened VARCHAR, Platforms VARCHAR, Borough VARCHAR) CREATE TABLE f (f_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Nationality VARCHAR, Jersey Number(s) INT, Position VARCHAR, Years VARCHAR, From VARCHAR)  
SELECT Jersey Number(s) FROM f WHERE Position = sg AND From = north carolina